Prof Louis Cornelis (Luuk) Rietveld is full professor of Drinking Water and Urban Water Cycle Technology at Delft University of Technology, Faculty of Civil Engineering and Geosciences, Department of Water Management. After finalizing his studies in Civil Engineering at Delft University of Technology in 1987, he worked until 1991 as an Assistant and later an Associate expert for the Dutch Directorate General for International Co-operation in Mozambique. During that period, he was employed as an Assistant Professor of Sanitary Engineering at the Eduardo Mondlane University, Maputo, Mozambique. From 1991 until 1994 he worked at the Management Centre for International Co-operation, Delft University of Technology. From 1994, he worked at the Department of Water Management, Sanitary Engineering of Delft University of Technology. In 2005, Luuk Rietveld defended his PhD thesis entitled “Improving Operation of Drinking Water Treatment through Modeling”. In his present position that he obtained in 2010, he focusses his research on closing loops in the urban water cycle, the removal of organic micro-pollutants and optimization of water processes and systems with IT. He has supervised more than 35 PhD students on the mentioned topics. The research results were published in over 150 publications in peer-reviewed journals.